Strap conveyer aligning mechanism



Dec. 8, 1931. M.' v. cREEDoN ET AL.

i STRAP CONVEYER ALIGNING MCHANISM Filed Nov. l2, 1929 2 Sheets-Sheet l A TRNEY1 Dec. 8, 1931'. M. v. Rl-zEDoN ET AL 1,835,996

STRAP CONVEYER ALIGNING MCHANISM Filed Nov, 12, 1929 2 Sheets-Sheet 2 INVENTORS;

A OIRNEYl Patented Dec. 8, 193.1v

MIcHAEnv. oRnEnoN, OF Wns'rrrnrn, NEW JERsEm'ANnmLirAMv. McGUrNNnss, v v

0F FLUSHING, NEWl YORK, ASSIGNORS `TO"THE UNIO'NTELVEGRAPH n' PANN, OFNEW YORK, N. Y., CORPORATION or NEW YORK" STRAP ,coNvEYEn'IALIGNING jmncfHANIsMj application. mea November 12, 1929. Serial No. osera-lk Thisinvention relates to a conveyer system and more particularl to .aconveyeremploy- 4ing endless straps'or belts for the transportaltion .oflat articles, such as ftelegrams, letters and the like, in which such articlesjare carried between two strapstraveling.in'the'same direction.' f i Such :strap .conveyers comprise two separateendless straps, which havean-operatmg or Working runanda returnrnn. VVThe operating runs are in frictional contact with keach other, whereby :the articles to be conveyed .are ripped therebetween,A one strap preferably being driven by `the other. y

On horizontal `runs of l:such` double strap nconveyers there is'a tendency for the top belt to run oil' of the bottomvbel-t due t0 the fact that the top belt is drivenby the fricf tionalengagement witlrthe bottom belt.` J`Accordingly it is onefof the objects 'oftllepresf ent invention to provide means formcausing the two, belts torride in lproper alignment.

Otherobjects and advantages will` hereinaftervappear. n. In accordance with the invention, aligning rollersare provided at intervals along fthe horizontal runs of the conveyer to force .the top belt to run in line with the bottom or --driving belt., The aligning yrollers". are

crowned and mounted on eccentric bearin s vvso that thecrownof the .rollers may Ybe `s`liit .ed relative to the direction of misalignment @iss p of the belt. Due to' the fact that'thelbelis .tend .to follovvtlle crown of theA a-l-igning'rollers, .the tendency ofthe top `belt toA run off of .the vbottrnqri belt maybe compensated for. by varyingth'e relation of the crown ofthe aligning frollers vwith Vrespect to the direction of -racorrection for alignment ispre'ferab'ly made itravel of the belt. l.. u

light straps, such asemployed for transporting .telegrams letters and thelike,

about'ceverytwentyl-iive feet.V l .In `order that .the invent-ion may i be more fully understood reference ,will 'be'had'to the e accompanying dravvings'in AWl'lich;

Figure lis an elevational vievs'r of a section of a strapjconveyer system,lhav1.ng the present inmentronapplled thereto j` frame 24 of the conveyor orin bracketsfjZfse- InFgure l, .is shown aconveycr system `i composed of twoV endless straps IQ and 11, havingtheircperating runs in contact. Strap; 10 pass-es around a series of rollers 12, 13,3141, l5, 16, 17, 18 and 1.9` in thedirection il'ldicliii ed by the arrows.. trap llpasscs rcund a seriesofrollers 20., 13, '14,' 21,22.' '21.116.523'

run. of the v strap 10 rests upon and 'le'dlvclbly frit-10ml cneae'cmenrwirhehespewing am of che lower strap 11, [The ,rollers '12. *to

23 are' mounted upon shafts bearing V:in-the cured to the frame. u 7 n Y .I v.. ,y

The articles to beconveyed are introduced into the conveyerbetween'gthe .contacting straps radj acent roller 20 and .A are delivered Afrolnthe op osite end of(the.'system.v At'the ,.75 deliveryen' of the system the rollers 21 and l5 maybe spaced apart suflicientlytocause (the contacting Strarsftc diverge arid thereby to release-the artieieabeing conveyed so' that.; they may fall ".frc'cbf'r'm thc ccnvcycri It lwill be ,understood v'that'jthe' conveyer i section shown in Figure '1 maybe associated with other sections ,of la strap "conveyer or With a conveyer of av diferentforrn, suchlgas a Wide belt conveyer in which the"articlesare.-195

carried ahorizon'ta'l, o-sition on thevcon- .veyer v4belt or afVLtrOug p iconveyer'i'n they are transported in1 a -substant'iallyk .ver-

tical position. n a cop'endin ,application of B. Beardsley et al., (filed 'vfoverndier:"12?,g-y y 1929, Serial No. `406,655,'entitledStrap conveyer system, there is disclosedjan .arrangement for transferringtelegrams orsimilar I.articles from' 0111, Strap y conveyer sect'lonfto another. r

' At intervals along:` horizontal run Vof 39'., the strap conveyer,;aligning rollers26 and-327 are disposed above and'belowfthe contacting straps '10 and "11 respectively. V'llhe rollers '26 and 27 @imam- 1 las @hre fwd 2, A v .y 'i 1,835,996

are mounted upon shafts 28 bearing in eccentric nuts 29, secured to one of the brackets 25 or to the frame 24. The shafts 28'may be shiftedontheir eccentric bearing by loosening the clamping nuts 30,"to' change the axis of the crown of the aligning rolle'rs relative to the direction of misalignment of the straps.

*Thestrap contacting with the aligning roller,

'tends' to follow the crown thereof and thus "follow the portion of ythe crown with which it contacts andthus move back acrossI the lower beltin the opposite direction from the original deflection. I l Y `A correction for alignment having once been made does not need to be changed.

" It. is vobvious that other arrangements of the aligning rollers may be employed and -;;other .mounting and adjusting means provided withoutdeparting from the invention ,and all such changes are contemplated as claims. What is claimed is:

ELA conveyer lsystem for 'transporting come c withinthe scope of the 'appended'.

sheetL material` comprising two conveyer lstraps arranged to travel in contact with each lother andadapted to grip said sheet material therebetween, means for maintaining said straps in alignment with each other, compris ing an aligning rollerk in contactV with one of V'said straps, said roller being crowned, a shaft for said roller anda separate adjustible eccentric mounting for each end of saidshaft whereby the position of saidv crownfmay be varied with respect to the direction of travel v,ofthe strap.,y Y

2. AV conveyer systemV forv transporting sheet material comprising two conveyer straps arranged to travel iny contact `with ,each-"other and adaptedV togrip said sheet material therebetween, means for maintain- I* said straps 'in alignment with each other,

comprising a plurality of aligning rollers .disposed along said.Contactingstraps in contact with opposite` sides thereof, said rollers being crowned, shafts for said'rollers.V and means for adjustingsaid shafts whereby the -fpositionfof the crown'may be varied with respect to the direction of `travel of the straps. .In a `belt conveyer system having two g-conveyeri'..b eltsyfin'.frictional, Ycontact over a substantially horizontal' run, whereby one Vbeltis driven by the other, means for overcoming the tendencyl of one belt to run oft of the other, comprising aligning rollers disposed in contact with each of said straps, said rollers having-crowned surfaces and 'means for'adjusting said rollers to vary the position of saidcrown with respect to the'belts to direct one belt across the other in opposition to theftendency of such beltto run off of the` other belt.

4l. A conveyer system comprising twosep- Varate endless belts having substantially horizontal operating runs in frictional contact, whereby oneL of'said belts may be driven by the other, supporting and p guiding Y rollers for said'belts and aligning rollers in contact withv said belts at intervalsv alongtheir operating runs, said aligningirollers having crowned surfaces, and means for adjusting -eachof said,A aligning rollers relative toy the belt in Contact therewith, whereby ysaid belt tends to travel across the otherfbelt to overcomethetendency of saidb'elt to vride oft of i A the other belt.Y

5A' conveyerl Vcomprising two separate endless belts, having substantially horizontal operating runs in frictional contact, whereby one ofV said'belts mavbe driven by theother, supporting and' guiding rollers-for said belts and aligning rollers disposed at intervals along the operatingrun. of said conveyer above and below said contacting belt-s, said aligning rollers having crowned surfaces disposedrelative to said belts so as to overcome y.thetendency of one belt to yride olf of the other belt.` c

v6. In a beltv conveyer system, a conveyer element, atraveline'belt adapted to run in frictionalcontact with said conveyerelement for conveying sheetv material between saidV belt` and conveyer element, said belt being subject to lateral deviations from a desired normalcy, and means for compensating for said deviation 'comprising ajrollerarrangedy toengagethe backof saidvbelt and vhaving its vaxis disposed at an angle such that the Vrollerwill apply a corrective regulation to Y the belt.

V7. In a belt conveyer system, a conveyer element,l a `traveling` belt adapted to run in frictional contact with said conveyer element for conveying sheet material between said belt and conveyer element, 'said belt being subject to lateral deviations from a desired .gy

normalcy,andl means for compensating for said deviationV comprising a'crowned roller arranged to engage the'back of said belt, and means -for adjusting the axis vof. said roller wherebythe roller will applyrpa corrective regulation yto thefbelt.

In testimony whereof we affix our signay MICHAEL vcnnnnon; wiLLiAM v. yMeernminiss.

tures. 

